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Signal Port

Ghost town · Mendocino County, California

Point Arena quadrangle, USGS topographic map (1943, 1:62,500)
Point Arena quadrangle, USGS topographic map (1943, 1:62,500) · U.S. Geological Survey, Historical Topographic Map Collection · Public domain

Signal Port is a ghost town in Mendocino County, California. It is one of 15 former communities in Mendocino County on the federal names register. That ranks the county 21st among the 58 California counties with a vanished settlement on record.

The U.S. Geological Survey lists Signal Port as a historical populated place on the Gualala topographic quadrangle: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 38.8291° N, 123.6156° W.

Key facts

USGS quadrangleGualala
Elevation105 ft
Nearest living townAnchor Bay, CA
Distance to it2.7 miles
GNIS feature ID1666816
Coordinates38.82908, -123.61557

Open the location on a map

What's there now

Signal Port is no longer a community in its own right. The nearest living town is Anchor Bay, CA (population 770), about 2.7 miles away in a straight line, and the site sits at roughly 105 feet above sea level. Much of the land around former townsites is private; check access before you visit.

Nearby places

Questions

Where is Signal Port?

Signal Port is in Mendocino County, California, at 38.8291, -123.6156.

How many ghost towns are in Mendocino County?

Mendocino County, California has 15 ghost towns on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.